The string you provided, "ahstart fansub kuroinu kedakaki seijo wa hakudaku ni somaru 01mp4 full," seems to be a search query or a request for the first episode (01) of this anime, in full, in MP4 format, possibly from a fan-subbing group named "ahstart fansub."
: Websites like Reddit, Discord servers dedicated to anime or specifically to AHSTART's translations, can be great resources to find links or information about the episode you're looking for. The string you provided, "ahstart fansub kuroinu kedakaki